Rare plant inventory of the eastern edge of the lower foothills natural subregion, west-central Alberta - Alberta. Fish; Wildlife Division. (Alberta Sustainable Resource Development, Fish & Wildlife Division, Wildlife Conservation and Biodiversity Section, 2002)

Rare, sensitive, and threatened species of the greater Yellowstone ecosystem - Clark, Tim W. (Northern Rockies Conservation Cooperative, 1989)

Rawlins resource management plan : draft environmental impact statement - United States. Bureau of Land Management. Rawlins Field Office. (U.S. Department of the Interior, Bureau of Land Management, Rawlins Field Office, 2004)

Readings in mammalogy / selected from the original literature and introduced with comments - Anderson, Sydney, 1927 -2018 (Museum of Natural History, University of Kansas, 1970)

Rebuttal of ARCO's reports on phytotoxicity (Redente) & vegetation (Keammerer) - Montana. Natural Resource Damage Program. (Montana Dept. of Justice, Natural Resource Damage program, 1995)

Recent research on conifer needle diseases : conference proceedings, October 14-18, 1984, Gulfport, Mississippi - Peterson, Glenn W. (U.S. Dept. of Agriculture, Forest Service, 1986)

Recent research on foliage diseases : conference proceedings : Carlisle, Pennsylvania, May 29-June 2, 1989 - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, 1990)

Record of decision and approved Rawlins resource management plan for public lands administered by the Bureau of Land Management, Rawlins Field Office, Rawlins, Wyoming - United States. Bureau of Land Management. (U.S. Dept. of the Interior, Bureau of Land Management, Rawlins Field Office, 2008)

Recreational trampling effects on six habitat types in western Montana - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1985)

Recruitment into a local population of spruce grouse - Mckinnon, Donald T (University of Alberta, Dept. of Zoology, 1983)

The Red pine scale in North America : a report to the 1975 Eastern Plant Board - Anderson, John F. (John Frederic), 1936 - (Connecticut Agricultural Experiment Station, 1976)

Red rot of ponderosa pine - Andrews, Stuart R., 1910 - (U.S. Dept. of Agriculture, Forest Service, 1955)

The Redwood - Hopkins, A. D. (Andrew Delmar), 1857 -1948 (U.S. Dept. of Agriculture, Bureau of Forestry, 1903)

The redwood... - United States. Bureau of Forestry. (1903)

A reference wetland network for assessment and monitoring of Montana's herbaceous wetlands - Montana Natural Heritage Program. (Montana Natural Heritage Program, 2011)

Regeneration in mixed conifer and Douglas-fir shelterwood cuttings in the Cascade Range of Washington - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1983)

Regeneration in mixed conifer partial cuttings in the Blue Mountains of Oregon and Washington - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1983)

Regiones terrestres prioritarias de México - Aguilar Zúñiga, Claudia (Comisión Nacional para el Conocimiento y Uso de la Biodiversidad (CONABIO), 2000)

Relative abundance and habitat relationships of Clethrionomys rutilus in the south-central Yukon Territory - Beare, Stephen S. (University of Alberta, Dept. of Zoology, 1984)

Relative resistance of tree seedlings to excessive heat - Bates, Carlos G. (Carlos Glazier), 1885 -1949 (U.S. Dept. of Agriculture, 1924)

Repertorium annuum literaturae botanicae periodicae - Bemmelen, J. A. van. (Erven Loosjes, 1873)

Report - British Columbia Provincial Museum. (1916)

Report - British Columbia Provincial Museum. (1917)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1965)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1935)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1925)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1942)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1934)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1943)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1956)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1948)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1944)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1930)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1926)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1933)

Report - British Columbia Provincial Museum. (Printed by W.H. Cullin, 1929)

Report for the year - British Columbia Provincial Museum - British Columbia Provincial Museum. (Printed by A. Sutton [etc.], for the Queen, 1916)

Report for the year - British Columbia Provincial Museum - British Columbia Provincial Museum. (Printed by A. Sutton [etc.], for the Queen, 1917)

Report of an exploration of parts of Wyoming, Idaho, and Montana in August and September, 1882 - Gray, Asa, 1810 -1888 (U.S. G.P.O, 1882)

Report of progress for 1878-79 - Geological Survey of Canada (Dawson Bros, 1880)

Report of the Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, Office of the Regents, 1868)

Report of the Commissioner of Agriculture ... - United States. Department of Agriculture. (G.P.O, 1868)

Report of the Commissioner of Agriculture ... - United States. Department of Agriculture. (G.P.O, 1863)

Report of the Division of Forestry for the year ending ... - Hawaii. Division of Forestry. (New Freedom Press, 1911)

Report of the geological exploration of the fortieth parallel - Eaton, Daniel Cady, 1834 -1895 (G.P.O, 1877)

Report of the geological exploration of the fortieth parallel - Eaton, Daniel Cady, 1834 -1895 (G.P.O, 1871)

Report of the Provincial Museum of Natural History - British Columbia Provincial Museum. (Provincial Museum, King's Printer for British Columbia, 1912)

Report of the State Botanist - Peck, Charles H. (Charles Horton), 1833 -1917 (University of the State of New York, 1901)

Report on an exploration in the Yukon district, N.W.T., and adjacent northern portion of British Columbia, 1887 - Geological; Natural History Survey of Canada. (Dawson, 1888)

Report on the botany of the expedition - Torrey, John, 1796 -1873 ([s.n.], 1857)

Report on the conservation status of Arabis fecunda, a candidate threatened species - Lesica, Peter. (Montana Natural Heritage Program, 1993)

Report on the conservation status of Cirsium longistylum, a candidate threatened species - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1991)

Report on the conservation status of Grindelia howellii, a candidate threatened species - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1986)

Report on the conservation status of Howellia aquatilis, a candidate threatened species - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1988)

Report on the conservation status of Penstemon lemhiensis, a candidate threatened species : Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1990)

Report on the conservation status of Trisetum orthochaetum, a candidate endangered species - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1986)

Report on the forest conditions of the Rocky Mountains, and other papers; with a map showing the location of forest areas on the Rocky Mountain range - United States. Department of Agriculture. (Govt. Print. Off, 1889)

Report on the forest conditions of the Rocky Mountains, and other papers : with a map showing the location of forest areas on the Rocky Mountain Range - United States. Division of Forestry. (Dept. of Agriculture, Forestry Division, 1888)

Report on the forest wealth of Canada - Johnson, George, 1837 -1911 (S.E. Dawson, 1895)

Report on the forests of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (G.P.O, 1884)

Report on the forests of North America, exclusive of Mexico - Sargent, Charles Sprague, 1841 -1927 (Govt. Print. Off, 1884)

Report on the forests of North America (exclusive of Mexico) - Sargent, Charles Sprague, 1841 -1927 (Govt. print. off, 1884)

Report on the geology and resources of the region in the vicinity of the forty-ninth parallel, from the Lake of the Woods to the Rocky Mountains - Dawson, George Mercer, 1849 -1901 (Dawson, 1875)

Report upon forestry. From the committee appointed to memorialize Congress and the state legislatures, regarding the cultivation of timber and the preservation of forests - Hough, Franklin Benjamin, 1822 -1885 (Govt. Print. Off, 1878)

Report upon natural history collections made in Alaska : between the years 1877 and 1881 - Bean, Tarleton H. (Tarleton Hoffman), 1846 -1916 (Government Printing Office, 1887)

Report upon natural history collections made in Alaska between the years 1877 and 1881 - Bean, Tarleton H. (Tarleton Hoffman), 1846 -1916 (Govt. Print. Off, 1887)

A report upon the boreal flora of the Sierra Nevada of California - Smiley, Frank Jason, 1880 - (University of California Press, 1921)

Report upon United States Geographical surveys west of the one hundredth meridian - Geographical Surveys West of the 100th Meridian (U.S.) (G.P.O, 1889)

Report upon United States Geographical surveys west of the one hundredth meridian - Geographical Surveys West of the 100th Meridian (U.S.) (G.P.O, 1878)

Reports of explorations and surveys : to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson printer, 1855)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1856)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1853)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1857)

Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean - Baird, Spencer Fullerton, 1823 -1887 (A.O.P. Nicholson, Printer [etc.], 1854)

Reports of the Director ... - Dominion Experimental Farms; Stations (Canada) (Experimental Farms, 1913)

Reports of the Survey. Botanical series - Geological; Natural History Survey of Minnesota. (1892)

Research accomplishments - United States. Forest Service. (1971)

Research natural areas in Colorado, Wyoming, Nebraska, North Dakota, South Dakota, and parts of Wyoming - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1994)

Research plan for lands administered by the U.S. Department of the Interior in the Interior Columbia Basin and Snake River Plateau - Geological Survey (U.S.) (U.S. Geological Survey Forest and Rangeland Ecosystem Science Center, 2002)

Resistance of ponderosa pine to the gouty pitch midge (Cecidomyia piniinopis) - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1988)

The resources of California: comprising agriculture, mining, geography, climate, commerce, &c., and the past and future development of the State - Hittell, John S. (John Shertzer), 1825 -1901 (A. Roman, 1866)